This week's MinutePhysics video by Henry Reich gives us a look into the E=mc² equation.
In fact, there's more to the equation than we think, and Reich offers up another enjoyable animated (and quick) look at the full equation.
If you're watching this video while bunkered down in your house riding out Hurricane Sandy, a fun project can be to try and calculate the energy of the storm using the new equation.
Or you could just watch some additional videos on YouTube.
Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.